Mercurial > hg
annotate mercurial/phases.py @ 46924:ca0049946e9a
split: avoid strip if split is a no-op (identical to original)
Differential Revision: https://phab.mercurial-scm.org/D10389
author | Kyle Lippincott <spectral@google.com> |
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date | Mon, 12 Apr 2021 19:25:34 -0700 |
parents | 77e129be10de |
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1 """ Mercurial phases support code |
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2 |
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3 --- |
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4 |
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5 Copyright 2011 Pierre-Yves David <pierre-yves.david@ens-lyon.org> |
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6 Logilab SA <contact@logilab.fr> |
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7 Augie Fackler <durin42@gmail.com> |
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8 |
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9 This software may be used and distributed according to the terms |
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10 of the GNU General Public License version 2 or any later version. |
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11 |
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12 --- |
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13 |
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14 This module implements most phase logic in mercurial. |
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15 |
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16 |
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17 Basic Concept |
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18 ============= |
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19 |
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20 A 'changeset phase' is an indicator that tells us how a changeset is |
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21 manipulated and communicated. The details of each phase is described |
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22 below, here we describe the properties they have in common. |
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23 |
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24 Like bookmarks, phases are not stored in history and thus are not |
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25 permanent and leave no audit trail. |
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26 |
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27 First, no changeset can be in two phases at once. Phases are ordered, |
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28 so they can be considered from lowest to highest. The default, lowest |
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29 phase is 'public' - this is the normal phase of existing changesets. A |
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30 child changeset can not be in a lower phase than its parents. |
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31 |
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32 These phases share a hierarchy of traits: |
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33 |
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34 immutable shared |
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35 public: X X |
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36 draft: X |
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37 secret: |
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38 |
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39 Local commits are draft by default. |
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40 |
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41 Phase Movement and Exchange |
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42 =========================== |
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43 |
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44 Phase data is exchanged by pushkey on pull and push. Some servers have |
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45 a publish option set, we call such a server a "publishing server". |
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46 Pushing a draft changeset to a publishing server changes the phase to |
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47 public. |
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48 |
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49 A small list of fact/rules define the exchange of phase: |
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50 |
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51 * old client never changes server states |
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52 * pull never changes server states |
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53 * publish and old server changesets are seen as public by client |
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54 * any secret changeset seen in another repository is lowered to at |
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55 least draft |
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56 |
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57 Here is the final table summing up the 49 possible use cases of phase |
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58 exchange: |
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59 |
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60 server |
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61 old publish non-publish |
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62 N X N D P N D P |
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63 old client |
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64 pull |
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65 N - X/X - X/D X/P - X/D X/P |
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66 X - X/X - X/D X/P - X/D X/P |
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67 push |
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68 X X/X X/X X/P X/P X/P X/D X/D X/P |
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69 new client |
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70 pull |
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71 N - P/X - P/D P/P - D/D P/P |
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72 D - P/X - P/D P/P - D/D P/P |
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73 P - P/X - P/D P/P - P/D P/P |
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74 push |
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75 D P/X P/X P/P P/P P/P D/D D/D P/P |
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76 P P/X P/X P/P P/P P/P P/P P/P P/P |
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77 |
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78 Legend: |
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79 |
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80 A/B = final state on client / state on server |
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81 |
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82 * N = new/not present, |
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83 * P = public, |
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84 * D = draft, |
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85 * X = not tracked (i.e., the old client or server has no internal |
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86 way of recording the phase.) |
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87 |
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88 passive = only pushes |
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89 |
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90 |
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91 A cell here can be read like this: |
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92 |
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93 "When a new client pushes a draft changeset (D) to a publishing |
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94 server where it's not present (N), it's marked public on both |
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95 sides (P/P)." |
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96 |
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97 Note: old client behave as a publishing server with draft only content |
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98 - other people see it as public |
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99 - content is pushed as draft |
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100 |
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101 """ |
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102 |
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103 from __future__ import absolute_import |
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104 |
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105 import errno |
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106 import struct |
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107 |
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108 from .i18n import _ |
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109 from .node import ( |
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110 bin, |
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111 hex, |
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112 nullid, |
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113 nullrev, |
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114 short, |
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115 wdirrev, |
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116 ) |
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117 from .pycompat import ( |
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118 getattr, |
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119 setattr, |
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120 ) |
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121 from . import ( |
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122 error, |
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123 pycompat, |
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124 requirements, |
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125 smartset, |
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126 txnutil, |
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127 util, |
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128 ) |
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129 |
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130 if pycompat.TYPE_CHECKING: |
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131 from typing import ( |
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132 Any, |
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133 Callable, |
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134 Dict, |
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135 Iterable, |
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136 List, |
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137 Optional, |
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138 Set, |
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139 Tuple, |
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140 ) |
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141 from . import ( |
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142 localrepo, |
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143 ui as uimod, |
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144 ) |
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145 |
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146 Phaseroots = Dict[int, Set[bytes]] |
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147 Phasedefaults = List[ |
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148 Callable[[localrepo.localrepository, Phaseroots], Phaseroots] |
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149 ] |
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150 |
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151 |
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152 _fphasesentry = struct.Struct(b'>i20s') |
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153 |
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154 # record phase index |
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155 public, draft, secret = range(3) # type: int |
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156 archived = 32 # non-continuous for compatibility |
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157 internal = 96 # non-continuous for compatibility |
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158 allphases = (public, draft, secret, archived, internal) |
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159 trackedphases = (draft, secret, archived, internal) |
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160 # record phase names |
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161 cmdphasenames = [b'public', b'draft', b'secret'] # known to `hg phase` command |
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162 phasenames = dict(enumerate(cmdphasenames)) |
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163 phasenames[archived] = b'archived' |
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164 phasenames[internal] = b'internal' |
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165 # map phase name to phase number |
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166 phasenumber = {name: phase for phase, name in phasenames.items()} |
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167 # like phasenumber, but also include maps for the numeric and binary |
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168 # phase number to the phase number |
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169 phasenumber2 = phasenumber.copy() |
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170 phasenumber2.update({phase: phase for phase in phasenames}) |
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171 phasenumber2.update({b'%i' % phase: phase for phase in phasenames}) |
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172 # record phase property |
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173 mutablephases = (draft, secret, archived, internal) |
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174 remotehiddenphases = (secret, archived, internal) |
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175 localhiddenphases = (internal, archived) |
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176 |
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177 |
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178 def supportinternal(repo): |
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179 # type: (localrepo.localrepository) -> bool |
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180 """True if the internal phase can be used on a repository""" |
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181 return requirements.INTERNAL_PHASE_REQUIREMENT in repo.requirements |
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182 |
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183 |
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184 def _readroots(repo, phasedefaults=None): |
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185 # type: (localrepo.localrepository, Optional[Phasedefaults]) -> Tuple[Phaseroots, bool] |
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186 """Read phase roots from disk |
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187 |
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188 phasedefaults is a list of fn(repo, roots) callable, which are |
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189 executed if the phase roots file does not exist. When phases are |
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190 being initialized on an existing repository, this could be used to |
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191 set selected changesets phase to something else than public. |
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192 |
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193 Return (roots, dirty) where dirty is true if roots differ from |
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194 what is being stored. |
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195 """ |
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196 repo = repo.unfiltered() |
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197 dirty = False |
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198 roots = {i: set() for i in allphases} |
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199 try: |
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200 f, pending = txnutil.trypending(repo.root, repo.svfs, b'phaseroots') |
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201 try: |
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202 for line in f: |
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203 phase, nh = line.split() |
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204 roots[int(phase)].add(bin(nh)) |
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205 finally: |
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206 f.close() |
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207 except IOError as inst: |
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208 if inst.errno != errno.ENOENT: |
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209 raise |
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210 if phasedefaults: |
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211 for f in phasedefaults: |
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212 roots = f(repo, roots) |
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213 dirty = True |
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214 return roots, dirty |
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215 |
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216 |
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217 def binaryencode(phasemapping): |
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218 # type: (Dict[int, List[bytes]]) -> bytes |
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219 """encode a 'phase -> nodes' mapping into a binary stream |
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220 |
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221 The revision lists are encoded as (phase, root) pairs. |
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222 """ |
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223 binarydata = [] |
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224 for phase, nodes in pycompat.iteritems(phasemapping): |
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225 for head in nodes: |
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226 binarydata.append(_fphasesentry.pack(phase, head)) |
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227 return b''.join(binarydata) |
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228 |
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229 |
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230 def binarydecode(stream): |
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231 # type: (...) -> Dict[int, List[bytes]] |
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232 """decode a binary stream into a 'phase -> nodes' mapping |
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233 |
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234 The (phase, root) pairs are turned back into a dictionary with |
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235 the phase as index and the aggregated roots of that phase as value.""" |
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236 headsbyphase = {i: [] for i in allphases} |
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237 entrysize = _fphasesentry.size |
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238 while True: |
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239 entry = stream.read(entrysize) |
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240 if len(entry) < entrysize: |
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241 if entry: |
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242 raise error.Abort(_(b'bad phase-heads stream')) |
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243 break |
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244 phase, node = _fphasesentry.unpack(entry) |
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245 headsbyphase[phase].append(node) |
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246 return headsbyphase |
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247 |
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248 |
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249 def _sortedrange_insert(data, idx, rev, t): |
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250 merge_before = False |
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251 if idx: |
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252 r1, t1 = data[idx - 1] |
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253 merge_before = r1[-1] + 1 == rev and t1 == t |
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254 merge_after = False |
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255 if idx < len(data): |
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256 r2, t2 = data[idx] |
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257 merge_after = r2[0] == rev + 1 and t2 == t |
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258 |
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259 if merge_before and merge_after: |
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260 data[idx - 1] = (pycompat.xrange(r1[0], r2[-1] + 1), t) |
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261 data.pop(idx) |
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262 elif merge_before: |
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263 data[idx - 1] = (pycompat.xrange(r1[0], rev + 1), t) |
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264 elif merge_after: |
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265 data[idx] = (pycompat.xrange(rev, r2[-1] + 1), t) |
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266 else: |
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267 data.insert(idx, (pycompat.xrange(rev, rev + 1), t)) |
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268 |
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269 |
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270 def _sortedrange_split(data, idx, rev, t): |
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271 r1, t1 = data[idx] |
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272 if t == t1: |
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273 return |
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274 t = (t1[0], t[1]) |
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275 if len(r1) == 1: |
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276 data.pop(idx) |
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277 _sortedrange_insert(data, idx, rev, t) |
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278 elif r1[0] == rev: |
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279 data[idx] = (pycompat.xrange(rev + 1, r1[-1] + 1), t1) |
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280 _sortedrange_insert(data, idx, rev, t) |
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281 elif r1[-1] == rev: |
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282 data[idx] = (pycompat.xrange(r1[0], rev), t1) |
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283 _sortedrange_insert(data, idx + 1, rev, t) |
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284 else: |
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285 data[idx : idx + 1] = [ |
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286 (pycompat.xrange(r1[0], rev), t1), |
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287 (pycompat.xrange(rev, rev + 1), t), |
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288 (pycompat.xrange(rev + 1, r1[-1] + 1), t1), |
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289 ] |
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290 |
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291 |
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292 def _trackphasechange(data, rev, old, new): |
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293 """add a phase move to the <data> list of ranges |
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294 |
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295 If data is None, nothing happens. |
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296 """ |
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297 if data is None: |
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298 return |
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299 |
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300 # If data is empty, create a one-revision range and done |
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301 if not data: |
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302 data.insert(0, (pycompat.xrange(rev, rev + 1), (old, new))) |
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303 return |
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304 |
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305 low = 0 |
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306 high = len(data) |
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307 t = (old, new) |
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308 while low < high: |
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309 mid = (low + high) // 2 |
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310 revs = data[mid][0] |
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311 revs_low = revs[0] |
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312 revs_high = revs[-1] |
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313 |
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314 if rev >= revs_low and rev <= revs_high: |
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315 _sortedrange_split(data, mid, rev, t) |
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316 return |
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317 |
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318 if revs_low == rev + 1: |
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319 if mid and data[mid - 1][0][-1] == rev: |
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320 _sortedrange_split(data, mid - 1, rev, t) |
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321 else: |
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322 _sortedrange_insert(data, mid, rev, t) |
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323 return |
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324 |
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325 if revs_high == rev - 1: |
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326 if mid + 1 < len(data) and data[mid + 1][0][0] == rev: |
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327 _sortedrange_split(data, mid + 1, rev, t) |
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328 else: |
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329 _sortedrange_insert(data, mid + 1, rev, t) |
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330 return |
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331 |
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332 if revs_low > rev: |
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333 high = mid |
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334 else: |
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335 low = mid + 1 |
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336 |
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337 if low == len(data): |
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338 data.append((pycompat.xrange(rev, rev + 1), t)) |
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339 return |
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340 |
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341 r1, t1 = data[low] |
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342 if r1[0] > rev: |
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343 data.insert(low, (pycompat.xrange(rev, rev + 1), t)) |
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344 else: |
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345 data.insert(low + 1, (pycompat.xrange(rev, rev + 1), t)) |
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346 |
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347 |
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348 class phasecache(object): |
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349 def __init__(self, repo, phasedefaults, _load=True): |
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350 # type: (localrepo.localrepository, Optional[Phasedefaults], bool) -> None |
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351 if _load: |
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352 # Cheap trick to allow shallow-copy without copy module |
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353 self.phaseroots, self.dirty = _readroots(repo, phasedefaults) |
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354 self._loadedrevslen = 0 |
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355 self._phasesets = None |
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356 self.filterunknown(repo) |
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357 self.opener = repo.svfs |
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358 |
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359 def hasnonpublicphases(self, repo): |
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360 # type: (localrepo.localrepository) -> bool |
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361 """detect if there are revisions with non-public phase""" |
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362 repo = repo.unfiltered() |
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363 cl = repo.changelog |
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364 if len(cl) >= self._loadedrevslen: |
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365 self.invalidate() |
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366 self.loadphaserevs(repo) |
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367 return any( |
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368 revs |
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369 for phase, revs in pycompat.iteritems(self.phaseroots) |
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370 if phase != public |
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371 ) |
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372 |
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373 def nonpublicphaseroots(self, repo): |
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374 # type: (localrepo.localrepository) -> Set[bytes] |
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375 """returns the roots of all non-public phases |
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376 |
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377 The roots are not minimized, so if the secret revisions are |
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378 descendants of draft revisions, their roots will still be present. |
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379 """ |
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380 repo = repo.unfiltered() |
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381 cl = repo.changelog |
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382 if len(cl) >= self._loadedrevslen: |
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383 self.invalidate() |
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384 self.loadphaserevs(repo) |
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385 return set().union( |
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386 *[ |
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387 revs |
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388 for phase, revs in pycompat.iteritems(self.phaseroots) |
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389 if phase != public |
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390 ] |
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391 ) |
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392 |
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393 def getrevset(self, repo, phases, subset=None): |
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394 # type: (localrepo.localrepository, Iterable[int], Optional[Any]) -> Any |
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395 # TODO: finish typing this |
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396 """return a smartset for the given phases""" |
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397 self.loadphaserevs(repo) # ensure phase's sets are loaded |
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398 phases = set(phases) |
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399 publicphase = public in phases |
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400 |
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401 if publicphase: |
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402 # In this case, phases keeps all the *other* phases. |
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403 phases = set(allphases).difference(phases) |
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404 if not phases: |
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405 return smartset.fullreposet(repo) |
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406 |
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407 # fast path: _phasesets contains the interesting sets, |
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408 # might only need a union and post-filtering. |
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409 revsneedscopy = False |
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410 if len(phases) == 1: |
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411 [p] = phases |
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412 revs = self._phasesets[p] |
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413 revsneedscopy = True # Don't modify _phasesets |
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414 else: |
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415 # revs has the revisions in all *other* phases. |
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416 revs = set.union(*[self._phasesets[p] for p in phases]) |
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417 |
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418 def _addwdir(wdirsubset, wdirrevs): |
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419 if wdirrev in wdirsubset and repo[None].phase() in phases: |
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420 if revsneedscopy: |
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421 wdirrevs = wdirrevs.copy() |
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422 # The working dir would never be in the # cache, but it was in |
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423 # the subset being filtered for its phase (or filtered out, |
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424 # depending on publicphase), so add it to the output to be |
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425 # included (or filtered out). |
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426 wdirrevs.add(wdirrev) |
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427 return wdirrevs |
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428 |
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429 if not publicphase: |
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430 if repo.changelog.filteredrevs: |
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431 revs = revs - repo.changelog.filteredrevs |
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432 |
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433 if subset is None: |
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434 return smartset.baseset(revs) |
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435 else: |
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436 revs = _addwdir(subset, revs) |
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437 return subset & smartset.baseset(revs) |
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438 else: |
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439 if subset is None: |
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440 subset = smartset.fullreposet(repo) |
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441 |
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442 revs = _addwdir(subset, revs) |
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443 |
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444 if not revs: |
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445 return subset |
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446 return subset.filter(lambda r: r not in revs) |
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447 |
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448 def copy(self): |
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449 # Shallow copy meant to ensure isolation in |
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450 # advance/retractboundary(), nothing more. |
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bundlerepo: implement safe phasecache
Eric Sumner <ericsumner@fb.com>
parents:
23361
diff
changeset
|
451 ph = self.__class__(None, None, _load=False) |
45131
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phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
45117
diff
changeset
|
452 ph.phaseroots = self.phaseroots.copy() |
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Patrick Mezard <patrick@mezard.eu>
parents:
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diff
changeset
|
453 ph.dirty = self.dirty |
6b3d31d04a69
phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents:
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diff
changeset
|
454 ph.opener = self.opener |
35441
98cc121099fe
phases: rename _phasemaxrev to _loadedrevslen to clarify it isn't max value
Yuya Nishihara <yuya@tcha.org>
parents:
35330
diff
changeset
|
455 ph._loadedrevslen = self._loadedrevslen |
25592
dd2349ccfa66
phase: also copy phase's sets when copying phase cache
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25527
diff
changeset
|
456 ph._phasesets = self._phasesets |
16658
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phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents:
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diff
changeset
|
457 return ph |
6b3d31d04a69
phases: make advance/retractboundary() atomic
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parents:
16657
diff
changeset
|
458 |
6b3d31d04a69
phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents:
16657
diff
changeset
|
459 def replace(self, phcache): |
25613
a13c18c14ade
phase: document the replace method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25611
diff
changeset
|
460 """replace all values in 'self' with content of phcache""" |
43076
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formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
461 for a in ( |
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
462 b'phaseroots', |
687b865b95ad
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parents:
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diff
changeset
|
463 b'dirty', |
687b865b95ad
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parents:
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diff
changeset
|
464 b'opener', |
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
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changeset
|
465 b'_loadedrevslen', |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
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parents:
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diff
changeset
|
466 b'_phasesets', |
43076
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
467 ): |
16658
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parents:
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diff
changeset
|
468 setattr(self, a, getattr(phcache, a)) |
16657
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Patrick Mezard <patrick@mezard.eu>
parents:
16626
diff
changeset
|
469 |
24599
2a73829ebe17
phases: make two functions private for phase computation
Laurent Charignon <lcharignon@fb.com>
parents:
24520
diff
changeset
|
470 def _getphaserevsnative(self, repo): |
24444
27e3ba73fbb1
phase: default to C implementation for phase computation
Laurent Charignon <lcharignon@fb.com>
parents:
23878
diff
changeset
|
471 repo = repo.unfiltered() |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
45117
diff
changeset
|
472 return repo.changelog.computephases(self.phaseroots) |
24444
27e3ba73fbb1
phase: default to C implementation for phase computation
Laurent Charignon <lcharignon@fb.com>
parents:
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changeset
|
473 |
24599
2a73829ebe17
phases: make two functions private for phase computation
Laurent Charignon <lcharignon@fb.com>
parents:
24520
diff
changeset
|
474 def _computephaserevspure(self, repo): |
24519
de3acfabaddc
phases: move pure phase computation in a function
Laurent Charignon <lcharignon@fb.com>
parents:
24444
diff
changeset
|
475 repo = repo.unfiltered() |
35309
d13526333835
phases: drop the list with phase of each rev, always comput phase sets
Joerg Sonnenberger <joerg@bec.de>
parents:
34876
diff
changeset
|
476 cl = repo.changelog |
45131
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Joerg Sonnenberger <joerg@bec.de>
parents:
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diff
changeset
|
477 self._phasesets = {phase: set() for phase in allphases} |
39271
fd7376fa60e7
phase: use `trackedphases` in `_getphaserevsnative`
Boris Feld <boris.feld@octobus.net>
parents:
39262
diff
changeset
|
478 lowerroots = set() |
fd7376fa60e7
phase: use `trackedphases` in `_getphaserevsnative`
Boris Feld <boris.feld@octobus.net>
parents:
39262
diff
changeset
|
479 for phase in reversed(trackedphases): |
fd7376fa60e7
phase: use `trackedphases` in `_getphaserevsnative`
Boris Feld <boris.feld@octobus.net>
parents:
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diff
changeset
|
480 roots = pycompat.maplist(cl.rev, self.phaseroots[phase]) |
fd7376fa60e7
phase: use `trackedphases` in `_getphaserevsnative`
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parents:
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diff
changeset
|
481 if roots: |
fd7376fa60e7
phase: use `trackedphases` in `_getphaserevsnative`
Boris Feld <boris.feld@octobus.net>
parents:
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diff
changeset
|
482 ps = set(cl.descendants(roots)) |
fd7376fa60e7
phase: use `trackedphases` in `_getphaserevsnative`
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parents:
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diff
changeset
|
483 for root in roots: |
fd7376fa60e7
phase: use `trackedphases` in `_getphaserevsnative`
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parents:
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diff
changeset
|
484 ps.add(root) |
fd7376fa60e7
phase: use `trackedphases` in `_getphaserevsnative`
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parents:
39262
diff
changeset
|
485 ps.difference_update(lowerroots) |
fd7376fa60e7
phase: use `trackedphases` in `_getphaserevsnative`
Boris Feld <boris.feld@octobus.net>
parents:
39262
diff
changeset
|
486 lowerroots.update(ps) |
fd7376fa60e7
phase: use `trackedphases` in `_getphaserevsnative`
Boris Feld <boris.feld@octobus.net>
parents:
39262
diff
changeset
|
487 self._phasesets[phase] = ps |
35441
98cc121099fe
phases: rename _phasemaxrev to _loadedrevslen to clarify it isn't max value
Yuya Nishihara <yuya@tcha.org>
parents:
35330
diff
changeset
|
488 self._loadedrevslen = len(cl) |
24519
de3acfabaddc
phases: move pure phase computation in a function
Laurent Charignon <lcharignon@fb.com>
parents:
24444
diff
changeset
|
489 |
25611
d89045a66e01
phase: rename getphaserevs to loadphaserevs
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25594
diff
changeset
|
490 def loadphaserevs(self, repo): |
46644
77e129be10de
typing: add some type annotations to mercurial/phases.py
Matt Harbison <matt_harbison@yahoo.com>
parents:
45790
diff
changeset
|
491 # type: (localrepo.localrepository) -> None |
25611
d89045a66e01
phase: rename getphaserevs to loadphaserevs
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25594
diff
changeset
|
492 """ensure phase information is loaded in the object""" |
35309
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Joerg Sonnenberger <joerg@bec.de>
parents:
34876
diff
changeset
|
493 if self._phasesets is None: |
24444
27e3ba73fbb1
phase: default to C implementation for phase computation
Laurent Charignon <lcharignon@fb.com>
parents:
23878
diff
changeset
|
494 try: |
31152
b7cef987356d
phases: remove experimental.nativephaseskillswitch
Jun Wu <quark@fb.com>
parents:
31053
diff
changeset
|
495 res = self._getphaserevsnative(repo) |
35441
98cc121099fe
phases: rename _phasemaxrev to _loadedrevslen to clarify it isn't max value
Yuya Nishihara <yuya@tcha.org>
parents:
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diff
changeset
|
496 self._loadedrevslen, self._phasesets = res |
24444
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phase: default to C implementation for phase computation
Laurent Charignon <lcharignon@fb.com>
parents:
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diff
changeset
|
497 except AttributeError: |
24599
2a73829ebe17
phases: make two functions private for phase computation
Laurent Charignon <lcharignon@fb.com>
parents:
24520
diff
changeset
|
498 self._computephaserevspure(repo) |
22894
c40be72dc177
phases: move root phase assignment to it's own function
Durham Goode <durham@fb.com>
parents:
22893
diff
changeset
|
499 |
22893
9672f0b2cdd9
phases: add invalidate function
Durham Goode <durham@fb.com>
parents:
22080
diff
changeset
|
500 def invalidate(self): |
35442
56745e58df07
phases: initialize number of loaded revisions to 0
Yuya Nishihara <yuya@tcha.org>
parents:
35441
diff
changeset
|
501 self._loadedrevslen = 0 |
25593
9e551f155810
phase: invalidate the phase's set cache alongside the revs
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25592
diff
changeset
|
502 self._phasesets = None |
16657
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changeset
|
503 |
b6081c2c4647
phases: introduce phasecache
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parents:
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diff
changeset
|
504 def phase(self, repo, rev): |
46644
77e129be10de
typing: add some type annotations to mercurial/phases.py
Matt Harbison <matt_harbison@yahoo.com>
parents:
45790
diff
changeset
|
505 # type: (localrepo.localrepository, int) -> int |
35309
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phases: drop the list with phase of each rev, always comput phase sets
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parents:
34876
diff
changeset
|
506 # We need a repo argument here to be able to build _phasesets |
16657
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Patrick Mezard <patrick@mezard.eu>
parents:
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diff
changeset
|
507 # if necessary. The repository instance is not stored in |
b6081c2c4647
phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents:
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diff
changeset
|
508 # phasecache to avoid reference cycles. The changelog instance |
b6081c2c4647
phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents:
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diff
changeset
|
509 # is not stored because it is a filecache() property and can |
b6081c2c4647
phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents:
16626
diff
changeset
|
510 # be replaced without us being notified. |
b6081c2c4647
phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents:
16626
diff
changeset
|
511 if rev == nullrev: |
b6081c2c4647
phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents:
16626
diff
changeset
|
512 return public |
19984
7d5e7799a29f
rebase: fix rebase aborts when 'tip-1' is public (issue4082)
Durham Goode <durham@fb.com>
parents:
19951
diff
changeset
|
513 if rev < nullrev: |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
514 raise ValueError(_(b'cannot lookup negative revision')) |
35441
98cc121099fe
phases: rename _phasemaxrev to _loadedrevslen to clarify it isn't max value
Yuya Nishihara <yuya@tcha.org>
parents:
35330
diff
changeset
|
515 if rev >= self._loadedrevslen: |
22893
9672f0b2cdd9
phases: add invalidate function
Durham Goode <durham@fb.com>
parents:
22080
diff
changeset
|
516 self.invalidate() |
25611
d89045a66e01
phase: rename getphaserevs to loadphaserevs
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
25594
diff
changeset
|
517 self.loadphaserevs(repo) |
35309
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phases: drop the list with phase of each rev, always comput phase sets
Joerg Sonnenberger <joerg@bec.de>
parents:
34876
diff
changeset
|
518 for phase in trackedphases: |
d13526333835
phases: drop the list with phase of each rev, always comput phase sets
Joerg Sonnenberger <joerg@bec.de>
parents:
34876
diff
changeset
|
519 if rev in self._phasesets[phase]: |
d13526333835
phases: drop the list with phase of each rev, always comput phase sets
Joerg Sonnenberger <joerg@bec.de>
parents:
34876
diff
changeset
|
520 return phase |
d13526333835
phases: drop the list with phase of each rev, always comput phase sets
Joerg Sonnenberger <joerg@bec.de>
parents:
34876
diff
changeset
|
521 return public |
16657
b6081c2c4647
phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents:
16626
diff
changeset
|
522 |
b6081c2c4647
phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents:
16626
diff
changeset
|
523 def write(self): |
b6081c2c4647
phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents:
16626
diff
changeset
|
524 if not self.dirty: |
b6081c2c4647
phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents:
16626
diff
changeset
|
525 return |
43077
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
526 f = self.opener(b'phaseroots', b'w', atomictemp=True, checkambig=True) |
16657
b6081c2c4647
phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents:
16626
diff
changeset
|
527 try: |
22079
5dcc58649b1a
phase: extract the phaseroots serialization in a dedicated method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22070
diff
changeset
|
528 self._write(f) |
16657
b6081c2c4647
phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents:
16626
diff
changeset
|
529 finally: |
b6081c2c4647
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Patrick Mezard <patrick@mezard.eu>
parents:
16626
diff
changeset
|
530 f.close() |
22079
5dcc58649b1a
phase: extract the phaseroots serialization in a dedicated method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22070
diff
changeset
|
531 |
5dcc58649b1a
phase: extract the phaseroots serialization in a dedicated method
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22070
diff
changeset
|
532 def _write(self, fp): |
45131
61e7464477ac
phases: sparsify phaseroots and phasesets
Joerg Sonnenberger <joerg@bec.de>
parents:
45117
diff
changeset
|
533 for phase, roots in pycompat.iteritems(self.phaseroots): |
36452
ab81e5a8fba5
phases: write phaseroots deterministically
Gregory Szorc <gregory.szorc@gmail.com>
parents:
35442
diff
changeset
|
534 for h in sorted(roots): |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
535 fp.write(b'%i %s\n' % (phase, hex(h))) |
16657
b6081c2c4647
phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents:
16626
diff
changeset
|
536 self.dirty = False |
15454
5a7dde5adec8
phases: add a moveboundary function to move phases boundaries
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
15419
diff
changeset
|
537 |
22080
37f46575d9c2
phase: attach phase to the transaction instead of the lock
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22079
diff
changeset
|
538 def _updateroots(self, phase, newroots, tr): |
16658
6b3d31d04a69
phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents:
16657
diff
changeset
|
539 self.phaseroots[phase] = newroots |
22893
9672f0b2cdd9
phases: add invalidate function
Durham Goode <durham@fb.com>
parents:
22080
diff
changeset
|
540 self.invalidate() |
16658
6b3d31d04a69
phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents:
16657
diff
changeset
|
541 self.dirty = True |
6b3d31d04a69
phases: make advance/retractboundary() atomic
Patrick Mezard <patrick@mezard.eu>
parents:
16657
diff
changeset
|
542 |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
543 tr.addfilegenerator(b'phase', (b'phaseroots',), self._write) |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
544 tr.hookargs[b'phases_moved'] = b'1' |
22080
37f46575d9c2
phase: attach phase to the transaction instead of the lock
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22079
diff
changeset
|
545 |
45790
5d65e04b6a80
phases: convert registernew users to use revision sets
Joerg Sonnenberger <joerg@bec.de>
parents:
45789
diff
changeset
|
546 def registernew(self, repo, tr, targetphase, revs): |
33453
f6b7617a85bb
phases: add a 'registernew' method to set new phases
Boris Feld <boris.feld@octobus.net>
parents:
33452
diff
changeset
|
547 repo = repo.unfiltered() |
45790
5d65e04b6a80
phases: convert registernew users to use revision sets
Joerg Sonnenberger <joerg@bec.de>
parents:
45789
diff
changeset
|
548 self._retractboundary(repo, tr, targetphase, [], revs=revs) |
43077
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
549 if tr is not None and b'phases' in tr.changes: |
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
550 phasetracking = tr.changes[b'phases'] |
33453
f6b7617a85bb
phases: add a 'registernew' method to set new phases
Boris Feld <boris.feld@octobus.net>
parents:
33452
diff
changeset
|
551 phase = self.phase |
45790
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Joerg Sonnenberger <joerg@bec.de>
parents:
45789
diff
changeset
|
552 for rev in sorted(revs): |
33453
f6b7617a85bb
phases: add a 'registernew' method to set new phases
Boris Feld <boris.feld@octobus.net>
parents:
33452
diff
changeset
|
553 revphase = phase(repo, rev) |
f6b7617a85bb
phases: add a 'registernew' method to set new phases
Boris Feld <boris.feld@octobus.net>
parents:
33452
diff
changeset
|
554 _trackphasechange(phasetracking, rev, None, revphase) |
f6b7617a85bb
phases: add a 'registernew' method to set new phases
Boris Feld <boris.feld@octobus.net>
parents:
33452
diff
changeset
|
555 repo.invalidatevolatilesets() |
f6b7617a85bb
phases: add a 'registernew' method to set new phases
Boris Feld <boris.feld@octobus.net>
parents:
33452
diff
changeset
|
556 |
45789
09735cde6275
phases: allow registration and boundary advancement with revision sets
Joerg Sonnenberger <joerg@bec.de>
parents:
45550
diff
changeset
|
557 def advanceboundary( |
09735cde6275
phases: allow registration and boundary advancement with revision sets
Joerg Sonnenberger <joerg@bec.de>
parents:
45550
diff
changeset
|
558 self, repo, tr, targetphase, nodes, revs=None, dryrun=None |
09735cde6275
phases: allow registration and boundary advancement with revision sets
Joerg Sonnenberger <joerg@bec.de>
parents:
45550
diff
changeset
|
559 ): |
33450
d017f1d37378
phases: extract the intermediate set of affected revs
Boris Feld <boris.feld@octobus.net>
parents:
33449
diff
changeset
|
560 """Set all 'nodes' to phase 'targetphase' |
d017f1d37378
phases: extract the intermediate set of affected revs
Boris Feld <boris.feld@octobus.net>
parents:
33449
diff
changeset
|
561 |
d017f1d37378
phases: extract the intermediate set of affected revs
Boris Feld <boris.feld@octobus.net>
parents:
33449
diff
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562 Nodes with a phase lower than 'targetphase' are not affected. |
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563 |
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564 If dryrun is True, no actions will be performed |
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565 |
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566 Returns a set of revs whose phase is changed or should be changed |
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567 """ |
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568 # Be careful to preserve shallow-copied values: do not update |
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569 # phaseroots values, replace them. |
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570 if revs is None: |
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571 revs = [] |
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572 if tr is None: |
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573 phasetracking = None |
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574 else: |
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575 phasetracking = tr.changes.get(b'phases') |
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576 |
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577 repo = repo.unfiltered() |
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578 revs = [repo[n].rev() for n in nodes] + [r for r in revs] |
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579 |
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580 changes = set() # set of revisions to be changed |
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581 delroots = [] # set of root deleted by this path |
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582 for phase in (phase for phase in allphases if phase > targetphase): |
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583 # filter nodes that are not in a compatible phase already |
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584 revs = [rev for rev in revs if self.phase(repo, rev) >= phase] |
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585 if not revs: |
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586 break # no roots to move anymore |
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587 |
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588 olds = self.phaseroots[phase] |
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589 |
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590 affected = repo.revs(b'%ln::%ld', olds, revs) |
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591 changes.update(affected) |
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592 if dryrun: |
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593 continue |
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594 for r in affected: |
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595 _trackphasechange( |
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596 phasetracking, r, self.phase(repo, r), targetphase |
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597 ) |
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598 |
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599 roots = { |
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600 ctx.node() |
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601 for ctx in repo.set(b'roots((%ln::) - %ld)', olds, affected) |
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602 } |
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603 if olds != roots: |
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604 self._updateroots(phase, roots, tr) |
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605 # some roots may need to be declared for lower phases |
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606 delroots.extend(olds - roots) |
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607 if not dryrun: |
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608 # declare deleted root in the target phase |
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609 if targetphase != 0: |
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610 self._retractboundary(repo, tr, targetphase, delroots) |
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611 repo.invalidatevolatilesets() |
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612 return changes |
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613 |
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614 def retractboundary(self, repo, tr, targetphase, nodes): |
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615 oldroots = { |
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616 phase: revs |
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617 for phase, revs in pycompat.iteritems(self.phaseroots) |
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618 if phase <= targetphase |
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619 } |
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620 if tr is None: |
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621 phasetracking = None |
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622 else: |
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623 phasetracking = tr.changes.get(b'phases') |
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624 repo = repo.unfiltered() |
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625 if ( |
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626 self._retractboundary(repo, tr, targetphase, nodes) |
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627 and phasetracking is not None |
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628 ): |
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629 |
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630 # find the affected revisions |
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631 new = self.phaseroots[targetphase] |
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632 old = oldroots[targetphase] |
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633 affected = set(repo.revs(b'(%ln::) - (%ln::)', new, old)) |
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634 |
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635 # find the phase of the affected revision |
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636 for phase in pycompat.xrange(targetphase, -1, -1): |
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637 if phase: |
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638 roots = oldroots.get(phase, []) |
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639 revs = set(repo.revs(b'%ln::%ld', roots, affected)) |
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640 affected -= revs |
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641 else: # public phase |
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642 revs = affected |
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643 for r in sorted(revs): |
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644 _trackphasechange(phasetracking, r, phase, targetphase) |
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645 repo.invalidatevolatilesets() |
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646 |
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647 def _retractboundary(self, repo, tr, targetphase, nodes, revs=None): |
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648 # Be careful to preserve shallow-copied values: do not update |
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649 # phaseroots values, replace them. |
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650 if revs is None: |
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651 revs = [] |
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652 if targetphase in (archived, internal) and not supportinternal(repo): |
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653 name = phasenames[targetphase] |
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654 msg = b'this repository does not support the %s phase' % name |
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655 raise error.ProgrammingError(msg) |
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656 |
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657 repo = repo.unfiltered() |
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658 torev = repo.changelog.rev |
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659 tonode = repo.changelog.node |
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660 currentroots = {torev(node) for node in self.phaseroots[targetphase]} |
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661 finalroots = oldroots = set(currentroots) |
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662 newroots = [torev(node) for node in nodes] + [r for r in revs] |
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663 newroots = [ |
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664 rev for rev in newroots if self.phase(repo, rev) < targetphase |
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665 ] |
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666 |
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667 if newroots: |
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668 if nullrev in newroots: |
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669 raise error.Abort(_(b'cannot change null revision phase')) |
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670 currentroots.update(newroots) |
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671 |
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672 # Only compute new roots for revs above the roots that are being |
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673 # retracted. |
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674 minnewroot = min(newroots) |
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675 aboveroots = [rev for rev in currentroots if rev >= minnewroot] |
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676 updatedroots = repo.revs(b'roots(%ld::)', aboveroots) |
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677 |
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678 finalroots = {rev for rev in currentroots if rev < minnewroot} |
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679 finalroots.update(updatedroots) |
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680 if finalroots != oldroots: |
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681 self._updateroots( |
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682 targetphase, {tonode(rev) for rev in finalroots}, tr |
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|
683 ) |
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684 return True |
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|
685 return False |
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686 |
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687 def filterunknown(self, repo): |
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688 # type: (localrepo.localrepository) -> None |
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689 """remove unknown nodes from the phase boundary |
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690 |
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691 Nothing is lost as unknown nodes only hold data for their descendants. |
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692 """ |
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|
693 filtered = False |
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694 has_node = repo.changelog.index.has_node # to filter unknown nodes |
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695 for phase, nodes in pycompat.iteritems(self.phaseroots): |
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696 missing = sorted(node for node in nodes if not has_node(node)) |
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697 if missing: |
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698 for mnode in missing: |
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699 repo.ui.debug( |
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700 b'removing unknown node %s from %i-phase boundary\n' |
43076
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701 % (short(mnode), phase) |
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|
702 ) |
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703 nodes.symmetric_difference_update(missing) |
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704 filtered = True |
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705 if filtered: |
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|
706 self.dirty = True |
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diff
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|
707 # filterunknown is called by repo.destroyed, we may have no changes in |
35309
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Joerg Sonnenberger <joerg@bec.de>
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diff
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|
708 # root but _phasesets contents is certainly invalid (or at least we |
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d51c4d85ec23
spelling: random spell checker fixes
Mads Kiilerich <madski@unity3d.com>
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709 # have not proper way to check that). related to issue 3858. |
18983
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diff
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|
710 # |
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|
711 # The other caller is __init__ that have no _phasesets initialized |
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|
712 # anyway. If this change we should consider adding a dedicated |
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parents:
18983
diff
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|
713 # "destroyed" function to phasecache or a proper cache key mechanism |
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|
714 # (see branchmap one) |
22893
9672f0b2cdd9
phases: add invalidate function
Durham Goode <durham@fb.com>
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diff
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|
715 self.invalidate() |
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|
716 |
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|
717 |
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diff
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|
718 def advanceboundary(repo, tr, targetphase, nodes, revs=None, dryrun=None): |
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
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|
719 """Add nodes to a phase changing other nodes phases if necessary. |
5a7dde5adec8
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|
720 |
16725
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parents:
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diff
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|
721 This function move boundary *forward* this means that all nodes |
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|
722 are set in the target phase or kept in a *lower* phase. |
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diff
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|
723 |
38218
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diff
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|
724 Simplify boundary to contains phase roots only. |
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|
725 |
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diff
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|
726 If dryrun is True, no actions will be performed |
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|
727 |
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|
728 Returns a set of revs whose phase is changed or should be changed |
36ba5dba372d
advanceboundary: add dryrun parameter
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38158
diff
changeset
|
729 """ |
45789
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|
730 if revs is None: |
09735cde6275
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parents:
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diff
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|
731 revs = [] |
16658
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parents:
16657
diff
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|
732 phcache = repo._phasecache.copy() |
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|
733 changes = phcache.advanceboundary( |
45789
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parents:
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diff
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|
734 repo, tr, targetphase, nodes, revs=revs, dryrun=dryrun |
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changeset
|
735 ) |
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parents:
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diff
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|
736 if not dryrun: |
36ba5dba372d
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diff
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|
737 repo._phasecache.replace(phcache) |
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Sushil khanchi <sushilkhanchi97@gmail.com>
parents:
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diff
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|
738 return changes |
15482
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parents:
15481
diff
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|
739 |
43076
2372284d9457
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|
740 |
22070
c1ca47204590
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parents:
22069
diff
changeset
|
741 def retractboundary(repo, tr, targetphase, nodes): |
16725
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Martin Geisler <martin@geisler.net>
parents:
16724
diff
changeset
|
742 """Set nodes back to a phase changing other nodes phases if |
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Martin Geisler <martin@geisler.net>
parents:
16724
diff
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|
743 necessary. |
15482
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diff
changeset
|
744 |
16725
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parents:
16724
diff
changeset
|
745 This function move boundary *backward* this means that all nodes |
b0fb4f57d076
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parents:
16724
diff
changeset
|
746 are set in the target phase or kept in a *higher* phase. |
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diff
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|
747 |
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parents:
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diff
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|
748 Simplify boundary to contains phase roots only.""" |
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Patrick Mezard <patrick@mezard.eu>
parents:
16657
diff
changeset
|
749 phcache = repo._phasecache.copy() |
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Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22069
diff
changeset
|
750 phcache.retractboundary(repo, tr, targetphase, nodes) |
16658
6b3d31d04a69
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Patrick Mezard <patrick@mezard.eu>
parents:
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diff
changeset
|
751 repo._phasecache.replace(phcache) |
15648
79cc89de5be1
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diff
changeset
|
752 |
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parents:
40580
diff
changeset
|
753 |
45790
5d65e04b6a80
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Joerg Sonnenberger <joerg@bec.de>
parents:
45789
diff
changeset
|
754 def registernew(repo, tr, targetphase, revs): |
33453
f6b7617a85bb
phases: add a 'registernew' method to set new phases
Boris Feld <boris.feld@octobus.net>
parents:
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diff
changeset
|
755 """register a new revision and its phase |
f6b7617a85bb
phases: add a 'registernew' method to set new phases
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parents:
33452
diff
changeset
|
756 |
f6b7617a85bb
phases: add a 'registernew' method to set new phases
Boris Feld <boris.feld@octobus.net>
parents:
33452
diff
changeset
|
757 Code adding revisions to the repository should use this function to |
f6b7617a85bb
phases: add a 'registernew' method to set new phases
Boris Feld <boris.feld@octobus.net>
parents:
33452
diff
changeset
|
758 set new changeset in their target phase (or higher). |
f6b7617a85bb
phases: add a 'registernew' method to set new phases
Boris Feld <boris.feld@octobus.net>
parents:
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diff
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|
759 """ |
f6b7617a85bb
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Boris Feld <boris.feld@octobus.net>
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diff
changeset
|
760 phcache = repo._phasecache.copy() |
45790
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parents:
45789
diff
changeset
|
761 phcache.registernew(repo, tr, targetphase, revs) |
33453
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parents:
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diff
changeset
|
762 repo._phasecache.replace(phcache) |
f6b7617a85bb
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|
763 |
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|
764 |
15648
79cc89de5be1
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diff
changeset
|
765 def listphases(repo): |
46644
77e129be10de
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parents:
45790
diff
changeset
|
766 # type: (localrepo.localrepository) -> Dict[bytes, bytes] |
16724
00535da82faf
phases: fix typos in docstrings
Martin Geisler <martin@geisler.net>
parents:
16659
diff
changeset
|
767 """List phases root for serialization over pushkey""" |
32000
511a62669f1b
phases: emit phases to pushkey protocol in deterministic order
Gregory Szorc <gregory.szorc@gmail.com>
parents:
31342
diff
changeset
|
768 # Use ordered dictionary so behavior is deterministic. |
511a62669f1b
phases: emit phases to pushkey protocol in deterministic order
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parents:
31342
diff
changeset
|
769 keys = util.sortdict() |
43077
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parents:
43076
diff
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|
770 value = b'%i' % draft |
34816
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Boris Feld <boris.feld@octobus.net>
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34710
diff
changeset
|
771 cl = repo.unfiltered().changelog |
16657
b6081c2c4647
phases: introduce phasecache
Patrick Mezard <patrick@mezard.eu>
parents:
16626
diff
changeset
|
772 for root in repo._phasecache.phaseroots[draft]: |
34816
e2c42f751b06
phase: filter out non-draft item in "draft root"
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parents:
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diff
changeset
|
773 if repo._phasecache.phase(repo, cl.rev(root)) <= draft: |
e2c42f751b06
phase: filter out non-draft item in "draft root"
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parents:
34710
diff
changeset
|
774 keys[hex(root)] = value |
15892
592b3d1742a1
phases: simplify phase exchange and movement over pushkey
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
15821
diff
changeset
|
775 |
25624
f0745da75056
publishing: use new helper method
Matt Mackall <mpm@selenic.com>
parents:
25614
diff
changeset
|
776 if repo.publishing(): |
16725
b0fb4f57d076
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parents:
16724
diff
changeset
|
777 # Add an extra data to let remote know we are a publishing |
b0fb4f57d076
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Martin Geisler <martin@geisler.net>
parents:
16724
diff
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|
778 # repo. Publishing repo can't just pretend they are old repo. |
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Martin Geisler <martin@geisler.net>
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|
779 # When pushing to a publishing repo, the client still need to |
b0fb4f57d076
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diff
changeset
|
780 # push phase boundary |
15648
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15482
diff
changeset
|
781 # |
16725
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16724
diff
changeset
|
782 # Push do not only push changeset. It also push phase data. |
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16724
diff
changeset
|
783 # New phase data may apply to common changeset which won't be |
b0fb4f57d076
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Martin Geisler <martin@geisler.net>
parents:
16724
diff
changeset
|
784 # push (as they are common). Here is a very simple example: |
15648
79cc89de5be1
phases: add basic pushkey support
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
15482
diff
changeset
|
785 # |
79cc89de5be1
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
15482
diff
changeset
|
786 # 1) repo A push changeset X as draft to repo B |
79cc89de5be1
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
15482
diff
changeset
|
787 # 2) repo B make changeset X public |
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788 # 3) repo B push to repo A. X is not pushed but the data that |
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789 # X as now public should |
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790 # |
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791 # The server can't handle it on it's own as it has no idea of |
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792 # client phase data. |
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793 keys[b'publishing'] = b'True' |
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794 return keys |
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795 |
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796 |
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797 def pushphase(repo, nhex, oldphasestr, newphasestr): |
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798 # type: (localrepo.localrepository, bytes, bytes, bytes) -> bool |
17535 | 799 """List phases root for serialization over pushkey""" |
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800 repo = repo.unfiltered() |
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801 with repo.lock(): |
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802 currentphase = repo[nhex].phase() |
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803 newphase = abs(int(newphasestr)) # let's avoid negative index surprise |
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804 oldphase = abs(int(oldphasestr)) # let's avoid negative index surprise |
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805 if currentphase == oldphase and newphase < oldphase: |
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806 with repo.transaction(b'pushkey-phase') as tr: |
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807 advanceboundary(repo, tr, newphase, [bin(nhex)]) |
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808 return True |
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809 elif currentphase == newphase: |
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810 # raced, but got correct result |
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811 return True |
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812 else: |
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813 return False |
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814 |
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815 |
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816 def subsetphaseheads(repo, subset): |
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817 """Finds the phase heads for a subset of a history |
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818 |
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819 Returns a list indexed by phase number where each item is a list of phase |
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820 head nodes. |
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821 """ |
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822 cl = repo.changelog |
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823 |
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824 headsbyphase = {i: [] for i in allphases} |
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825 # No need to keep track of secret phase; any heads in the subset that |
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826 # are not mentioned are implicitly secret. |
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827 for phase in allphases[:secret]: |
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828 revset = b"heads(%%ln & %s())" % phasenames[phase] |
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829 headsbyphase[phase] = [cl.node(r) for r in repo.revs(revset, subset)] |
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830 return headsbyphase |
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831 |
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832 |
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833 def updatephases(repo, trgetter, headsbyphase): |
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834 """Updates the repo with the given phase heads""" |
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835 # Now advance phase boundaries of all phases |
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836 # |
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837 # run the update (and fetch transaction) only if there are actually things |
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838 # to update. This avoid creating empty transaction during no-op operation. |
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839 |
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840 for phase in allphases: |
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841 revset = b'%ln - _phase(%s)' |
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842 heads = [c.node() for c in repo.set(revset, headsbyphase[phase], phase)] |
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843 if heads: |
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844 advanceboundary(repo, trgetter(), phase, heads) |
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845 |
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846 |
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847 def analyzeremotephases(repo, subset, roots): |
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848 """Compute phases heads and root in a subset of node from root dict |
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849 |
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850 * subset is heads of the subset |
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851 * roots is {<nodeid> => phase} mapping. key and value are string. |
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852 |
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853 Accept unknown element input |
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854 """ |
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855 repo = repo.unfiltered() |
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856 # build list from dictionary |
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857 draftroots = [] |
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858 has_node = repo.changelog.index.has_node # to filter unknown nodes |
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859 for nhex, phase in pycompat.iteritems(roots): |
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860 if nhex == b'publishing': # ignore data related to publish option |
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861 continue |
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862 node = bin(nhex) |
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863 phase = int(phase) |
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864 if phase == public: |
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865 if node != nullid: |
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866 repo.ui.warn( |
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867 _( |
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868 b'ignoring inconsistent public root' |
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869 b' from remote: %s\n' |
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870 ) |
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871 % nhex |
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872 ) |
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873 elif phase == draft: |
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874 if has_node(node): |
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875 draftroots.append(node) |
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876 else: |
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877 repo.ui.warn( |
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878 _(b'ignoring unexpected root from remote: %i %s\n') |
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879 % (phase, nhex) |
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880 ) |
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881 # compute heads |
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882 publicheads = newheads(repo, subset, draftroots) |
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883 return publicheads, draftroots |
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884 |
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885 |
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|
886 class remotephasessummary(object): |
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887 """summarize phase information on the remote side |
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888 |
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889 :publishing: True is the remote is publishing |
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890 :publicheads: list of remote public phase heads (nodes) |
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891 :draftheads: list of remote draft phase heads (nodes) |
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892 :draftroots: list of remote draft phase root (nodes) |
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893 """ |
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894 |
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895 def __init__(self, repo, remotesubset, remoteroots): |
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896 unfi = repo.unfiltered() |
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897 self._allremoteroots = remoteroots |
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898 |
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899 self.publishing = remoteroots.get(b'publishing', False) |
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900 |
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901 ana = analyzeremotephases(repo, remotesubset, remoteroots) |
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902 self.publicheads, self.draftroots = ana |
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903 # Get the list of all "heads" revs draft on remote |
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904 dheads = unfi.set(b'heads(%ln::%ln)', self.draftroots, remotesubset) |
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|
905 self.draftheads = [c.node() for c in dheads] |
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|
906 |
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|
907 |
15954
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parents:
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diff
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|
908 def newheads(repo, heads, roots): |
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|
909 """compute new head of a subset minus another |
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|
910 |
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diff
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|
911 * `heads`: define the first subset |
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Mads Kiilerich <mads@kiilerich.com>
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diff
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|
912 * `roots`: define the second we subtract from the first""" |
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913 # prevent an import cycle |
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914 # phases > dagop > patch > copies > scmutil > obsolete > obsutil > phases |
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915 from . import dagop |
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|
916 |
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|
917 repo = repo.unfiltered() |
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|
918 cl = repo.changelog |
43556
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diff
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|
919 rev = cl.index.get_rev |
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920 if not roots: |
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|
921 return heads |
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|
922 if not heads or heads == [nullid]: |
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923 return [] |
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924 # The logic operated on revisions, convert arguments early for convenience |
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Augie Fackler <augie@google.com>
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925 new_heads = {rev(n) for n in heads if n != nullid} |
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926 roots = [rev(n) for n in roots] |
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|
927 # compute the area we need to remove |
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928 affected_zone = repo.revs(b"(%ld::%ld)", roots, new_heads) |
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|
929 # heads in the area are no longer heads |
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|
930 new_heads.difference_update(affected_zone) |
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|
931 # revisions in the area have children outside of it, |
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|
932 # They might be new heads |
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|
933 candidates = repo.revs( |
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934 b"parents(%ld + (%ld and merge())) and not null", roots, affected_zone |
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|
935 ) |
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|
936 candidates -= affected_zone |
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|
937 if new_heads or candidates: |
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|
938 # remove candidate that are ancestors of other heads |
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|
939 new_heads.update(candidates) |
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|
940 prunestart = repo.revs(b"parents(%ld) and not null", new_heads) |
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|
941 pruned = dagop.reachableroots(repo, candidates, prunestart) |
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|
942 new_heads.difference_update(pruned) |
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|
943 |
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|
944 return pycompat.maplist(cl.node, sorted(new_heads)) |
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|
945 |
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|
946 |
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|
947 def newcommitphase(ui): |
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|
948 # type: (uimod.ui) -> int |
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diff
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|
949 """helper to get the target phase of new commit |
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|
950 |
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|
951 Handle all possible values for the phases.new-commit options. |
308406677e9d
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|
952 |
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|
953 """ |
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|
954 v = ui.config(b'phases', b'new-commit') |
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|
955 try: |
45117
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45116
diff
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|
956 return phasenumber2[v] |
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diff
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|
957 except KeyError: |
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diff
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|
958 raise error.ConfigError( |
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diff
changeset
|
959 _(b"phases.new-commit: not a valid phase name ('%s')") % v |
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|
960 ) |
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|
961 |
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|
962 |
17671
fdd0fc046cf1
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17537
diff
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|
963 def hassecret(repo): |
46644
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diff
changeset
|
964 # type: (localrepo.localrepository) -> bool |
17671
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diff
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|
965 """utility function that check if a repo have any secret changeset.""" |
45063
6232d732658c
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Joerg Sonnenberger <joerg@bec.de>
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44993
diff
changeset
|
966 return bool(repo._phasecache.phaseroots[secret]) |
34710
cdf833d7de98
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diff
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|
967 |
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|
968 |
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|
969 def preparehookargs(node, old, new): |
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changeset
|
970 # type: (bytes, Optional[int], Optional[int]) -> Dict[bytes, bytes] |
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|
971 if old is None: |
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|
972 old = b'' |
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|
973 else: |
34876
eb1b964b354b
phases: pass phase names to hooks instead of internal values
Kevin Bullock <kbullock+mercurial@ringworld.org>
parents:
34819
diff
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|
974 old = phasenames[old] |
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|
975 return {b'node': node, b'oldphase': old, b'phase': phasenames[new]} |